public void Test30()
{
//Step 1: Construct any Pipeline
MainViewModel mvm = MainViewModelTest.GetInstance();
ColorInputNode colorInput = new ColorInputNode();
mvm.Model.Graph.AddNode(colorInput);
InverterNode inverter = new InverterNode();
mvm.Model.Graph.AddNode(inverter);
mvm.Model.Graph.AddEdge(colorInput.Outputs[0], inverter.Inputs[0]);
Assert.Contains(colorInput, mvm.Model.Graph.Nodes);
Assert.Contains(inverter, mvm.Model.Graph.Nodes);
Assert.Equal(colorInput.Outputs[0], inverter.Inputs[0].Source);
//Step 2: Save Pipeline
using (var stream = File.Create(@"..\..\..\..\output\test30.yuvka"))
new NetDataContractSerializer().Serialize(stream, mvm.Model);
Assert.True(File.Exists(@"..\..\..\..\output\test30.yuvka"));
//Step 3: Clear Pipeline
mvm.Clear();
Assert.Empty(mvm.Model.Graph.Nodes);
//Step 4: Reload Pipeline
using (var stream = File.OpenRead(@"..\..\..\..\output\test30.yuvka"))
mvm.Model = (PipelineState) new NetDataContractSerializer().Deserialize(stream);
Assert.True(mvm.Model.Graph.Nodes[0] is ColorInputNode);
Assert.True(mvm.Model.Graph.Nodes[1] is InverterNode);
Assert.Equal(mvm.Model.Graph.Nodes[0].Outputs[0], mvm.Model.Graph.Nodes[1].Inputs[0].Source);
}
public void GlobalTest10()
{
MainViewModel mvm = MainViewModelTest.GetInstance();
PipelineViewModel pvm = mvm.PipelineViewModel;
// Step 1: The user clicks "New" to create a new pipeline
mvm.Clear();
Assert.Empty(mvm.Model.Graph.Nodes);
var mock = new Mock <IDragEventInfo>();
// Step 2: Create each type of node once by drag-and-drop
VideoInputNode vin = (VideoInputNode)AddNode <VideoInputNode>(pvm, mock, new Point(10, 30));
AdditiveMergeNode amn = (AdditiveMergeNode)AddNode <AdditiveMergeNode>(pvm, mock, new Point(30, 30));
BlurNode bn = (BlurNode)AddNode <BlurNode>(pvm, mock, new Point(50, 30));
BrightnessContrastSaturationNode bcsn =
(BrightnessContrastSaturationNode)AddNode <BrightnessContrastSaturationNode>(pvm, mock, new Point(70, 30));
ColorInputNode cin = (ColorInputNode)AddNode <ColorInputNode>(pvm, mock, new Point(10, 50));
DelayNode dln = (DelayNode)AddNode <DelayNode>(pvm, mock, new Point(90, 30));
DiagramNode dgn = (DiagramNode)AddNode <DiagramNode>(pvm, mock, new Point(110, 30));
DifferenceNode dfn = (DifferenceNode)AddNode <DifferenceNode>(pvm, mock, new Point(30, 50));
HistogramNode hn = (HistogramNode)AddNode <HistogramNode>(pvm, mock, new Point(50, 50));
ImageInputNode imin = (ImageInputNode)AddNode <ImageInputNode>(pvm, mock, new Point(70, 50));
InverterNode invn = (InverterNode)AddNode <InverterNode>(pvm, mock, new Point(90, 50));
NoiseInputNode nin = (NoiseInputNode)AddNode <NoiseInputNode>(pvm, mock, new Point(110, 50));
OverlayNode on = (OverlayNode)AddNode <OverlayNode>(pvm, mock, new Point(10, 70));
RgbSplitNode rgbsn = (RgbSplitNode)AddNode <RgbSplitNode>(pvm, mock, new Point(30, 70));
WeightedAveragedMergeNode wamn =
(WeightedAveragedMergeNode)AddNode <WeightedAveragedMergeNode>(pvm, mock, new Point(50, 70));
// Step 3: Create the edges
mvm.Model.Graph.AddEdge(vin.Outputs[0], bn.Inputs[0]);
Assert.Equal(vin.Outputs[0], bn.Inputs[0].Source);
amn.Inputs.Add(new Node.Input());
mvm.Model.Graph.AddEdge(vin.Outputs[0], amn.Inputs[0]);
Assert.Equal(vin.Outputs[0], amn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(bn.Outputs[0], dln.Inputs[0]);
Assert.Equal(bn.Outputs[0], dln.Inputs[0].Source);
mvm.Model.Graph.AddEdge(dln.Outputs[0], dfn.Inputs[0]);
Assert.Equal(dln.Outputs[0], dfn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(imin.Outputs[0], dfn.Inputs[1]);
Assert.Equal(imin.Outputs[0], dfn.Inputs[1].Source);
mvm.Model.Graph.AddEdge(dfn.Outputs[0], invn.Inputs[0]);
Assert.Equal(dfn.Outputs[0], invn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(invn.Outputs[0], on.Inputs[0]);
Assert.Equal(invn.Outputs[0], on.Inputs[0].Source);
mvm.Model.Graph.AddEdge(vin.Outputs[0], on.Inputs[1]);
Assert.Equal(vin.Outputs[0], on.Inputs[1].Source);
mvm.Model.Graph.AddEdge(vin.Outputs[0], rgbsn.Inputs[0]);
Assert.Equal(vin.Outputs[0], rgbsn.Inputs[0].Source);
mvm.Model.Graph.AddEdge(rgbsn.Outputs[2], hn.Inputs[0]);
Assert.Equal(rgbsn.Outputs[2], hn.Inputs[0].Source);
}
public void Test50()
{
// Some necessary initializations.
MainViewModel mvm = MainViewModelTest.GetInstance();
var windowManMock = new Mock <IWindowManagerEx>();
var vm = MainViewModelTest.GetInstance(cont => cont.ComposeExportedValue <IWindowManagerEx>(windowManMock.Object));
var conductorMock = new Mock <IConductor>();
// Step 1: Create simple pipeline.
//
// [color]---[overlay]
// \ /
// X
// / \
// [noise]---[diagram]
NoiseInputNode noise = new NoiseInputNode();
mvm.Model.Graph.AddNode(noise);
ColorInputNode color = new ColorInputNode();
mvm.Model.Graph.AddNode(color);
DiagramNode diagram = new DiagramNode();
diagram.Inputs.Add(new Node.Input());
diagram.Inputs.Add(new Node.Input());
mvm.Model.Graph.AddNode(diagram);
OverlayNode overlay = new OverlayNode();
mvm.Model.Graph.AddNode(overlay);
Assert.Contains(noise, mvm.Model.Graph.Nodes);
Assert.Contains(color, mvm.Model.Graph.Nodes);
Assert.Contains(diagram, mvm.Model.Graph.Nodes);
Assert.Contains(overlay, mvm.Model.Graph.Nodes);
mvm.Model.Graph.AddEdge(noise.Outputs[0], overlay.Inputs[0]);
mvm.Model.Graph.AddEdge(noise.Outputs[0], diagram.Inputs[0]);
mvm.Model.Graph.AddEdge(color.Outputs[0], overlay.Inputs[1]);
mvm.Model.Graph.AddEdge(color.Outputs[0], diagram.Inputs[1]);
Assert.Equal(noise.Outputs[0], overlay.Inputs[0].Source);
Assert.Equal(noise.Outputs[0], diagram.Inputs[0].Source);
Assert.Equal(color.Outputs[0], overlay.Inputs[1].Source);
Assert.Equal(color.Outputs[0], diagram.Inputs[1].Source);
// Step 2: Disable diagram node and open overlay node.
diagram.IsEnabled = false;
IGraphType pixelDiff = new PixelDiff();
IGraphType psnr = new PeakSignalNoiseRatio();
IoC.GetAllInstances = type => new List <IGraphType> {
pixelDiff, psnr
};
var overlayWindow = new OverlayViewModel(overlay)
{
Parent = conductorMock.Object
};
var diagramWindow = new DiagramViewModel(diagram)
{
Parent = conductorMock.Object
};
((IActivate)overlayWindow).Activate();
conductorMock.Setup(c => c.DeactivateItem(overlayWindow, true))
.Callback(() => ((IDeactivate)overlayWindow).Deactivate(close: true))
.Verifiable();
mvm.OpenWindow(overlayWindow);
Assert.Contains(overlayWindow, mvm.OpenWindows);
// Step 3: Start pipeline and add an overlay in the overlay node.
mvm.Model.Start(mvm.Model.Graph.Nodes);
overlay.Type = new ArtifactsOverlay();
// Step 4: Remove selected overlay.
overlay.Type = new NoOverlay();
// Step 5: Stop pipeline and close overlay node.
mvm.Model.Stop();
mvm.CloseWindows(overlay);
Assert.DoesNotContain(overlayWindow, mvm.OpenWindows);
// Step 6: Re-enable diagram node and open it.
diagram.IsEnabled = true;
mvm.OpenWindow(diagramWindow);
Assert.Contains(diagramWindow, mvm.OpenWindows);
// Step 7: Choose a reference video and add a diagram graph.
diagramWindow.Reference = new Tuple <string, Node.Input>(diagramWindow.GetVideoName(diagram.Inputs[0]), diagram.Inputs[0]);
diagramWindow.ChosenVideo = new Tuple <string, Node.Input>(diagramWindow.GetVideoName(diagram.Inputs[1]), diagram.Inputs[1]);
diagramWindow.AddGraph();
diagramWindow.Graphs.ElementAt(0).CurrentType = new GraphTypeViewModel(pixelDiff);
// Step 8: Start pipeline again and change diagram graph type.
mvm.Model.Start(mvm.Model.Graph.Nodes);
diagramWindow.Graphs.ElementAt(0).CurrentType = new GraphTypeViewModel(psnr);
// Step 9: Remove the diagram graph.
DiagramGraphViewModel dgvm = diagramWindow.Graphs.ElementAt(0);
diagramWindow.DeleteGraph(dgvm);
Assert.DoesNotContain(dgvm, diagramWindow.Graphs);
}
public void DiagramNodeDeleteNode()
{
IoC.GetAllInstances = type => new IGraphType[] { new PixelDiff() };
var posMock = new Mock <IGetPosition>();
posMock.Setup(p => p.GetElementSize(It.IsAny <IViewAware>())).Returns(new Size(4, 4));
posMock.Setup(p => p.ViewLoaded(It.IsAny <IViewAware>())).Returns(Observable.Never <Unit>());
var mvm = MainViewModelTest.GetInstance(
container => container.ComposeExportedValue(posMock.Object)
);
var vm = mvm.PipelineViewModel;
var mock = new Mock <IDragEventInfo>();
// Add Nodes like so
// vin0
//
//
// vin1 dn
//
//
// vin2
var vin0 = AddNodeModel <VideoInputNode>(vm, mock);
var vin1 = AddNodeModel <VideoInputNode>(vm, mock);
var vin2 = AddNodeModel <VideoInputNode>(vm, mock);
var dn = AddNodeModel <DiagramNode>(vm, mock);
var dnvm = new DiagramViewModel(dn.Model);
// Add Edge like so
// vin0
// \
// \
// vin1 dn
//
//
// vin2
// Start edge from vin0 output
Assert.PropertyChanged(vm, "DraggedEdge",
() => vm.InOutputMouseDown(vin0.Outputs.First())
);
var edge = vm.DraggedEdge;
Assert.Equal(EdgeStatus.Indeterminate, edge.Status);
// Drag edge over dn input
var e = new RoutedEventArgs(Mouse.MouseMoveEvent);
vm.InOutputMouseMove(dn.Inputs.First(), e);
Assert.Equal(EdgeStatus.Valid, edge.Status);
// Drop edge on dn input
vm.InOutputMouseUp(dn.Inputs.First());
Assert.Equal(1, vm.Edges.Count());
Assert.Equal(1, dn.Model.Inputs.Count());
// DiagramNode has one fake input.
Assert.Equal(2, dn.Inputs.Count());
// Add Edge like so
// vin0
// \
// \
// vin1--dn
//
//
// vin2
// Start edge from vin1 output
Assert.PropertyChanged(vm, "DraggedEdge",
() => vm.InOutputMouseDown(vin1.Outputs.First())
);
edge = vm.DraggedEdge;
Assert.Equal(EdgeStatus.Indeterminate, edge.Status);
// Drag edge over dn input
e = new RoutedEventArgs(Mouse.MouseMoveEvent);
vm.InOutputMouseMove(dn.Inputs.Last(), e);
Assert.Equal(EdgeStatus.Valid, edge.Status);
// Drop edge on dn input
vm.InOutputMouseUp(dn.Inputs.Last());
Assert.Equal(2, vm.Edges.Count());
Assert.Equal(2, dn.Model.Inputs.Count());
Assert.Equal(3, dn.Inputs.Count());
// Add PixelDiff-graph of vin1 and set reference to vin0
Assert.Equal(4, vm.Nodes.Count());
dnvm.Reference = dnvm.Videos.First();
dnvm.ChosenVideo = dnvm.Videos.Last();
dnvm.AddGraph();
dnvm.Graphs.Single().CurrentType =
dnvm.Graphs.Single().AvailableTypes.First();
Assert.Equal(1, dnvm.Graphs.Count());
Assert.NotNull(dnvm.Reference);
// Add Edge like so
// vin0
// \
// \
// vin1--dn
// /
// /
// vin2
// Start edge from vin2 output
Assert.PropertyChanged(vm, "DraggedEdge",
() => vm.InOutputMouseDown(vin2.Outputs.First())
);
edge = vm.DraggedEdge;
Assert.Equal(EdgeStatus.Indeterminate, edge.Status);
// Drag edge over dn input
e = new RoutedEventArgs(Mouse.MouseMoveEvent);
vm.InOutputMouseMove(dn.Inputs.Last(), e);
Assert.Equal(EdgeStatus.Valid, edge.Status);
// Drop edge on dn input
vm.InOutputMouseUp(dn.Inputs.Last());
Assert.Equal(3, vm.Edges.Count());
Assert.Equal(3, dn.Model.Inputs.Count());
Assert.Equal(4, dn.Inputs.Count());
// Add PixelDiff-graph of vin2
dnvm.ChosenVideo = dnvm.Videos.Last();
dnvm.AddGraph();
dnvm.Graphs.Last().CurrentType =
dnvm.Graphs.Last().AvailableTypes.First();
Assert.Equal(2, dnvm.Graphs.Count());
Assert.NotNull(dnvm.Reference);
Assert.True(dnvm.Graphs.All(graph => graph.CurrentType != null));
// Delete Node like so
// vin0
// \
// \
// vin1--dn
//
//
//
Assert.PropertyChanged(vm, "Edges", vin2.RemoveNode);
Assert.DoesNotContain(vin2, vm.Nodes);
Assert.DoesNotContain(vin2.Model, vm.Parent.Model.Graph.Nodes);
Assert.Equal(2, vm.Edges.Count());
Assert.Equal(2, dn.Model.Inputs.Count());
Assert.Equal(3, dn.Inputs.Count());
Assert.Equal(3, vm.Nodes.Count());
Assert.NotNull(dnvm.Reference);
Assert.Equal(1, dnvm.Graphs.Count());
// Delete Node like so
//
//
//
// vin1--dn
//
//
//
Assert.PropertyChanged(vm, "Edges", vin0.RemoveNode);
Assert.DoesNotContain(vin0, vm.Nodes);
Assert.DoesNotContain(vin0.Model, vm.Parent.Model.Graph.Nodes);
Assert.Equal(1, vm.Edges.Count());
Assert.Equal(1, dn.Model.Inputs.Count());
Assert.Equal(2, dn.Inputs.Count());
Assert.Equal(2, vm.Nodes.Count());
Assert.Null(dnvm.Reference);
Assert.Equal(1, dnvm.Graphs.Count());
}
public void WAMNDeleteNode()
{
var posMock = new Mock <IGetPosition>();
posMock.Setup(p => p.GetElementSize(It.IsAny <IViewAware>())).Returns(new Size(4, 4));
posMock.Setup(p => p.ViewLoaded(It.IsAny <IViewAware>())).Returns(Observable.Never <Unit>());
var vm = MainViewModelTest.GetInstance(
container => container.ComposeExportedValue(posMock.Object)
).PipelineViewModel;
var mock = new Mock <IDragEventInfo>();
// Add Nodes like so
// vin0
//
// wamn
//
//vin1
var vin0 = AddNodeModel <VideoInputNode>(vm, mock);
var vin1 = AddNodeModel <VideoInputNode>(vm, mock);
var wamn = AddNodeModel <WeightedAveragedMergeNode>(vm, mock);
// Add Edge like so
// vin0
// \
// wamn
//
//vin1
// Start edge from vin0 output
Assert.PropertyChanged(vm, "DraggedEdge",
() => vm.InOutputMouseDown(vin0.Outputs.First())
);
var edge = vm.DraggedEdge;
Assert.Equal(EdgeStatus.Indeterminate, edge.Status);
// Drag edge over vin1 input
var e = new RoutedEventArgs(Mouse.MouseMoveEvent);
vm.InOutputMouseMove(wamn.Inputs.First(), e);
Assert.Equal(EdgeStatus.Valid, edge.Status);
// Drop edge on vin1 input
vm.InOutputMouseUp(wamn.Inputs.First());
Assert.Equal(1, vm.Edges.Count());
Assert.Equal(1, wamn.Model.Inputs.Count());
// WAMN-ViewModel has one fake input.
Assert.Equal(2, wamn.Inputs.Count());
// Add Edge like so
// vin0
// \
// wamn
// /
//vin1
// Start edge from vin1 output
Assert.PropertyChanged(vm, "DraggedEdge",
() => vm.InOutputMouseDown(vin1.Outputs.First())
);
edge = vm.DraggedEdge;
Assert.Equal(EdgeStatus.Indeterminate, edge.Status);
// Drag edge over wamn input
e = new RoutedEventArgs(Mouse.MouseMoveEvent);
vm.InOutputMouseMove(wamn.Inputs.Last(), e);
Assert.Equal(EdgeStatus.Valid, edge.Status);
// Drop edge on wamn input
vm.InOutputMouseUp(wamn.Inputs.Last());
Assert.Equal(2, vm.Edges.Count());
Assert.Equal(2, wamn.Model.Inputs.Count());
Assert.Equal(3, wamn.Inputs.Count());
// Remove Node like so
//
//
// wamn
// /
//vin1
Assert.PropertyChanged(vm, "Edges", vin0.RemoveNode);
Assert.DoesNotContain(vin0, vm.Nodes);
Assert.DoesNotContain(vin0.Model, vm.Parent.Model.Graph.Nodes);
Assert.Equal(1, vm.Edges.Count());
Assert.Equal(1, wamn.Model.Inputs.Count());
Assert.Equal(2, wamn.Inputs.Count());
}
public void WAMNDeleteEdge()
{
var posMock = new Mock <IGetPosition>();
posMock.Setup(p => p.GetElementSize(It.IsAny <IViewAware>())).Returns(new Size(4, 4));
posMock.Setup(p => p.ViewLoaded(It.IsAny <IViewAware>())).Returns(Observable.Never <Unit>());
var vm = MainViewModelTest.GetInstance(
container => container.ComposeExportedValue(posMock.Object)
).PipelineViewModel;
var mock = new Mock <IDragEventInfo>();
// Add Nodes like so
// vin0
//
// wamn
//
//vin1
var vin0 = AddNodeModel <VideoInputNode>(vm, mock);
var vin1 = AddNodeModel <VideoInputNode>(vm, mock);
var wamn = AddNodeModel <WeightedAveragedMergeNode>(vm, mock);
// Add Edge like so
// vin0
// \
// wamn
//
//vin1
// Start edge from vin0 output
Assert.PropertyChanged(vm, "DraggedEdge",
() => vm.InOutputMouseDown(vin0.Outputs.First())
);
var edge = vm.DraggedEdge;
Assert.Equal(EdgeStatus.Indeterminate, edge.Status);
// Drag edge over wamn input
var e = new RoutedEventArgs(Mouse.MouseMoveEvent);
vm.InOutputMouseMove(wamn.Inputs.First(), e);
Assert.Equal(EdgeStatus.Valid, edge.Status);
// Drop edge on wamn input
vm.InOutputMouseUp(wamn.Inputs.First());
Assert.Equal(1, vm.Edges.Count());
Assert.Equal(1, wamn.Model.Inputs.Count());
// WAMN-ViewModel has one fake input.
Assert.Equal(2, wamn.Inputs.Count());
// Add Edge like so
// vin0
// \
// wamn
// /
//vin1
// Start edge from vin1 output
Assert.PropertyChanged(vm, "DraggedEdge",
() => vm.InOutputMouseDown(vin1.Outputs.First())
);
edge = vm.DraggedEdge;
Assert.Equal(EdgeStatus.Indeterminate, edge.Status);
// Drag edge over wamn input
e = new RoutedEventArgs(Mouse.MouseMoveEvent);
vm.InOutputMouseMove(wamn.Inputs.Last(), e);
Assert.Equal(EdgeStatus.Valid, edge.Status);
// Drop edge on wamn input
vm.InOutputMouseUp(wamn.Inputs.Last());
Assert.Equal(2, vm.Edges.Count());
Assert.Equal(2, wamn.Model.Inputs.Count());
Assert.Equal(3, wamn.Inputs.Count());
// Delete Edge like so
// vin0
//
// wamn
// /
//vin1
// Pick up edge from wamn input
Assert.PropertyChanged(vm, "DraggedEdge",
() => vm.InOutputMouseDown(wamn.Inputs.First())
);
edge = vm.DraggedEdge;
// drag edge to empty space
var mouseMock = new Mock <IMouseEventInfo>();
mouseMock.Setup(m => m.GetPosition(vm)).Returns(new Point(50, 50));
mouseMock.SetupGet(m => m.LeftButton).Returns(MouseButtonState.Pressed);
vm.MouseMove(mouseMock.Object);
Assert.Equal(EdgeStatus.Indeterminate, edge.Status);
// let go
vm.MouseUp();
Assert.Equal(1, vm.Edges.Count());
Assert.Equal(1, wamn.Model.Inputs.Count());
Assert.Equal(2, wamn.Inputs.Count());
}
public void Test40()
{
// Step 1: create an arbitrary acyclical pipeline with an input and a manipulation node
MainViewModel mvm = MainViewModelTest.GetInstance();
VideoInputNode video = new VideoInputNode();
BlurNode blur = new BlurNode()
{
Type = BlurType.Gaussian, Radius = 3
};
DisplayNode display = new DisplayNode();
// We'll have to dump this node's output later, so we need a ViewModel
NodeViewModel blurVM = new NodeViewModel(blur, mvm.PipelineViewModel);
mvm.Model.Graph.AddNode(video);
mvm.Model.Graph.AddNode(blur);
mvm.Model.Graph.AddNode(display);
mvm.Model.Graph.AddEdge(video.Outputs[0], blur.Inputs[0]);
mvm.Model.Graph.AddEdge(blur.Outputs[0], display.Inputs[0]);
// Assert that the graph is well-formed
Assert.Contains(video, mvm.Model.Graph.Nodes);
Assert.Contains(blur, mvm.Model.Graph.Nodes);
Assert.Contains(display, mvm.Model.Graph.Nodes);
Assert.Equal(blur.Inputs[0].Source, video.Outputs[0]);
Assert.Equal(display.Inputs[0].Source, blur.Outputs[0]);
// Step 2: change the video input data
Assert.False(display.InputIsValid);
video.FileName = new FilePath(@"..\..\..\..\resources\americanFootball_352x240_125.yuv");
Assert.True(display.InputIsValid);
// Step 3: open the DisplayNode's output and play the video
DisplayViewModel output = display.Window;
Assert.Equal(display, output.NodeModel);
Assert.False(mvm.Model.IsPlaying);
mvm.ReplayStateViewModel.PlayPause();
Assert.True(mvm.Model.IsPlaying);
// Step 4: Change a node's options while the video is playing
blur.Radius = 0;
Assert.True(mvm.Model.IsPlaying);
Assert.True(display.InputIsValid);
// Step 5: change replay speed while video is playing
int oldSpeed = mvm.Model.Speed;
mvm.ReplayStateViewModel.Slower();
Assert.True(oldSpeed > mvm.Model.Speed);
// Step 6: pause the video
mvm.ReplayStateViewModel.PlayPause();
Assert.False(mvm.Model.IsPlaying);
// Step 7: resumes the video
mvm.ReplayStateViewModel.PlayPause();
Assert.True(mvm.Model.IsPlaying);
// Step 8: resets the video playing state
mvm.ReplayStateViewModel.Stop();
Assert.Equal(0, mvm.Model.CurrentTick);
Assert.False(mvm.Model.IsPlaying);
// Step 9: save the video as yuv file
blurVM.SaveNodeOutput(blur.Outputs[0]);
// Since we can't create a FileChooser here, we'll have to invoke the SaveNodeOutputViewModel directly
System.IO.MemoryStream stream = new System.IO.MemoryStream();
SaveNodeOutputViewModel saveVM = new SaveNodeOutputViewModel(blur.Outputs[0], stream, mvm.Model);
Assert.Equal(mvm.Model.Graph.TickCount, saveVM.TickCount);
// I'm sorry for this. I really am. I found no better way of testing this.
System.Threading.Thread.Sleep(1000);
try {
Assert.NotEqual(0, stream.Capacity);
} catch (ObjectDisposedException) {
// This means the SaveNodeOutputViewModel is already done and has disposed of its stream
// That's just another possibility that's just as valid, and signifies proper execution
}
}
public void Test20()
{
var posMock = new Mock <IGetPosition>();
posMock.Setup(p => p.GetElementSize(It.IsAny <IViewAware>())).Returns(new Size(4, 4));
posMock.Setup(p => p.ViewLoaded(It.IsAny <IViewAware>())).Returns(Observable.Never <Unit>());
var vm = MainViewModelTest.GetInstance(
container => container.ComposeExportedValue <IGetPosition>(posMock.Object)
).PipelineViewModel;
// Step 1: User creates a random pipeline with three nodes and one edge connecting them.
// Add BlurNode
var mock = new Mock <IDragEventInfo>();
mock.Setup(info => info.GetData <NodeType>()).Returns(new NodeType {
Type = typeof(BlurNode)
});
mock.Setup(info => info.GetPosition(vm)).Returns(new Point(30, 10));
mock.SetupProperty(info => info.Effects, DragDropEffects.Copy);
vm.CheckClearance(mock.Object);
Assert.Equal(DragDropEffects.Copy, mock.Object.Effects);
vm.Drop(mock.Object);
var node0 = vm.Nodes.Single();
Assert.True(node0.Model is BlurNode);
Assert.Equal(30, node0.Model.X);
Assert.Equal(10, node0.Model.Y);
//Add Second BlurNode
mock = new Mock <IDragEventInfo>();
mock.Setup(info => info.GetData <NodeType>()).Returns(new NodeType {
Type = typeof(BlurNode)
});
mock.Setup(info => info.GetPosition(vm)).Returns(new Point(40, 10));
mock.SetupProperty(info => info.Effects, DragDropEffects.Copy);
vm.CheckClearance(mock.Object);
Assert.Equal(DragDropEffects.Copy, mock.Object.Effects);
vm.Drop(mock.Object);
var node1 = vm.Nodes.Last();
Assert.True(node1.Model is BlurNode);
Assert.Equal(40, node1.Model.X);
Assert.Equal(10, node1.Model.Y);
//Add third BlurNode
mock = new Mock <IDragEventInfo>();
mock.Setup(info => info.GetData <NodeType>()).Returns(new NodeType {
Type = typeof(BlurNode)
});
mock.Setup(info => info.GetPosition(vm)).Returns(new Point(0, 10));
mock.SetupProperty(info => info.Effects, DragDropEffects.Copy);
vm.CheckClearance(mock.Object);
Assert.Equal(DragDropEffects.Copy, mock.Object.Effects);
vm.Drop(mock.Object);
var node2 = vm.Nodes.Last();
Assert.True(node1.Model is BlurNode);
Assert.Equal(0, node2.Model.X);
Assert.Equal(10, node2.Model.Y);
//Add Edge
posMock.Setup(p => p.GetElementPosition(node0.Outputs.Single(), vm)).Returns(new Point(10, 10));
posMock.Setup(p => p.GetElementPosition(node0.Inputs.Single(), vm)).Returns(new Point(30, 10));
posMock.Setup(p => p.GetElementPosition(node1.Inputs.Single(), vm)).Returns(new Point(40, 10));
posMock.Setup(p => p.GetElementPosition(node2.Inputs.Single(), vm)).Returns(new Point(0, 10));
// Start edge from node0 output
Assert.PropertyChanged(vm, "DraggedEdge", () => vm.InOutputMouseDown(node0.Outputs.First()));
var edge = vm.DraggedEdge;
Assert.Equal(new Point(12, 12), edge.StartPoint);
Assert.Equal(new Point(12, 12), edge.EndPoint);
Assert.Equal(EdgeStatus.Indeterminate, edge.Status);
// Drag edge over node1 input
var e = new RoutedEventArgs(Mouse.MouseMoveEvent);
vm.InOutputMouseMove(node1.Inputs.Single(), e);
Assert.Equal(new Point(42, 12), edge.EndPoint);
Assert.Equal(EdgeStatus.Valid, edge.Status);
// Drop edge on node1 input
vm.InOutputMouseUp(node1.Inputs.Single());
Assert.Equal(new Point(42, 12), vm.Edges.Single().StartPoint);
Assert.Equal(new Point(12, 12), vm.Edges.Single().EndPoint);
Assert.NotNull(vm.Edges.Single().Geometry);
// Step 2: User moves a node via drag-and-drop
posMock.Setup(p => p.GetElementPosition(node0.Outputs.Single(), vm)).Returns(new Point(20, 10));
Assert.PropertyChanged(edge, "Geometry",
() => node0.Position = new Point(-1, -1) // Trigger ViewPositionChanged
);
Assert.Equal(new Point(-1, -1), node0.Position);
// Step 3: User changes the end of an edge via drag-and-drop
// Pick up edge from node1 input
Assert.PropertyChanged(vm, "DraggedEdge", () => vm.InOutputMouseDown(node1.Inputs.First()));
edge = vm.DraggedEdge;
Assert.Equal(new Point(22, 12), edge.StartPoint);
Assert.Equal(new Point(42, 12), edge.EndPoint);
Assert.Equal(EdgeStatus.Indeterminate, edge.Status);
// Drag edge over node2 input
e = new RoutedEventArgs(Mouse.MouseMoveEvent);
vm.InOutputMouseMove(node2.Inputs.Single(), e);
Assert.Equal(new Point(2, 12), edge.EndPoint);
Assert.Equal(EdgeStatus.Valid, edge.Status);
// Drop edge on node2 input
vm.InOutputMouseUp(node2.Inputs.Single());
Assert.Equal(new Point(2, 12), vm.Edges.Single().StartPoint);
Assert.Equal(new Point(22, 12), vm.Edges.Single().EndPoint);
Assert.NotNull(vm.Edges.Single().Geometry);
// Step 4: user removes an edge
// Pick up edge from node2 input
Assert.PropertyChanged(vm, "DraggedEdge", () => vm.InOutputMouseDown(node2.Inputs.First()));
edge = vm.DraggedEdge;
Assert.Equal(new Point(22, 12), edge.StartPoint);
Assert.Equal(new Point(2, 12), edge.EndPoint);
// drag edge to empty space
var mouseMock = new Mock <IMouseEventInfo>();
mouseMock.Setup(m => m.GetPosition(vm)).Returns(new Point(50, 50));
mouseMock.SetupGet(m => m.LeftButton).Returns(MouseButtonState.Pressed);
vm.MouseMove(mouseMock.Object);
Assert.Equal(EdgeStatus.Indeterminate, edge.Status);
Assert.Equal(new Point(50, 50), edge.EndPoint);
// let go
vm.MouseUp();
Assert.Equal(0, vm.Edges.Count());
// Step 5: user changes the configuration of a manipulation-node
((BlurNode)node0.Model).Radius = 2;
// Step 6: user deletes a node
Assert.PropertyChanged(vm, "Edges", node0.RemoveNode);
Assert.DoesNotContain(node0, vm.Nodes);
Assert.DoesNotContain(node0.Model, vm.Parent.Model.Graph.Nodes);
}
